Type your answer Simplify the expression $5(3-6)^{2}$

Step 1 ：Calculate the value inside the parentheses: \(3-6 = -3\)

Step 2 ：Square the result: \(-3^{2} = 9\)

Step 3 ：Multiply by 5: \(5 \times 9 = 45\)

Step 4 ：Final Answer: The simplified expression is \(\boxed{45}\)